Busca Informada.
Transcript of Busca Informada.
![Page 1: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/1.jpg)
Busca Informada
![Page 2: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/2.jpg)
![Page 3: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/3.jpg)
![Page 4: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/4.jpg)
![Page 5: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/5.jpg)
![Page 6: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/6.jpg)
![Page 7: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/7.jpg)
![Page 8: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/8.jpg)
![Page 9: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/9.jpg)
![Page 10: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/10.jpg)
![Page 11: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/11.jpg)
![Page 12: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/12.jpg)
![Page 13: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/13.jpg)
![Page 14: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/14.jpg)
![Page 15: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/15.jpg)
![Page 16: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/16.jpg)
![Page 17: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/17.jpg)
![Page 18: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/18.jpg)
![Page 19: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/19.jpg)
![Page 20: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/20.jpg)
![Page 21: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/21.jpg)
![Page 22: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/22.jpg)
![Page 23: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/23.jpg)
![Page 24: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/24.jpg)
![Page 25: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/25.jpg)
![Page 26: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/26.jpg)
![Page 27: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/27.jpg)
![Page 28: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/28.jpg)
![Page 29: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/29.jpg)
![Page 30: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/30.jpg)
O Problema da mochila
Dados um conjunto de n objetos e uma mochila com:
cj = benefício do objeto j
wj = peso do objeto j
b = capacidade da mochila
Determinar quais objetos devem ser colocados na mochila para maximizar o benefício total de tal forma que o peso da mochila não ultrapasse sua capacidade.
![Page 31: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/31.jpg)
Uma instância do Problema da Mochila
![Page 32: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/32.jpg)
O problema da mochila zero-um
𝑧=∑𝑗=1
𝑛
𝑐 𝑗𝑠 𝑗Maximizar
∑𝑗=1
𝑛
𝑤 𝑗 𝑠 𝑗≤𝑏Sujeito a
𝑠 𝑗∈ {0,1 }
Uma solução s é um vetor de uns e zeros.Se o objeto j está mochila então sj = 1, caso contráriosj = 0.
(do inglês, 0-1 knapsack problem)
![Page 33: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/33.jpg)
Vizinhança no problema da mochila
s = (0,1,0,1,0)
(1,1,0,1,0)
(0,0,0,1,0)
(0,1,1,1,0)
(0,1,0,0,0) (0,1,0,1,1)
O movimento consiste em mudar a variável sj de 1 para 0ou vice-versa.
![Page 34: Busca Informada.](https://reader035.fdocument.pub/reader035/viewer/2022062312/552fc14f497959413d8e30e7/html5/thumbnails/34.jpg)